body{
  margin: 0;
  padding: 0;
  >div{
    width: 100px;
    height: 100px;
    background: red;
    display: flex;
    transform: all 1s;
    &.img{
      background: url(../images/logo.png)
    }
  }
}
#div111 {
  padding-top: 56px !important;
  min-width: 768px;
  font-family: -apple-system, sans-serif;
  font-size: 17px;
  display: inline-flex;
}